Magma Silver Corp. Launches AGORACOM AI-Powered Marketing and Verified Investor Forum Vancouver, BC – August 28, 2025 – Magma Silver Corp. (TSXV: MGMA; OTCQB: MAGMF; FSE: BC21) (“Magma” or the “Company”) announces a 12-month online marketing campaign with AGORACOM utilizing industry-leading AI-generated content to engage a global investor audience across demographics. Additionally, Magma is launching a Verified Forum on AGORACOM’s platform to facilitate moderated, transparent dialogue between management and shareholders. This program is implemented via AGORACOM’s cashless shares-for-services model, requiring zero cash outlay. AGORACOM AI CONTENT PROGRAM AGORACOM, a pioneer in online investor relations and digital marketing for over 25 years, launched its AI Content Showcase in January 2025. This campaign will leverage AI-driven storytelling tools including: an AI Movie Trailer presenting Magma’s story cinematically; “Small Cap Odyssey, ” showcasing the company’s journey; diverse AI Avatars tailored for various demographics; and multilingual avatars featuring French, German, Chinese, Spanish, and Arabic speakers. Stephen Barley, Magma’s CEO & Executive Chairman, emphasized the importance of reaching investors effectively, noting AGORACOM’s AI content will help communicate the progress and vision of the Niñobamba silver-gold project in Peru to global audiences. WIDE EXPOSURE VIA AGORACOM NETWORK The campaign will deliver extensive brand visibility through AGORACOM’s digital network, including content marketing and social media engagement. VERIFIED FORUM FOR INVESTOR ENGAGEMENT The new AGORACOM Verified Forum offers a moderated community for transparent, civil interaction between management and shareholders. This system combats misinformation and protects the company from negative, misleading commentary. George Tsiolis, AGORACOM Founder, stated that integrating AI content with verified forums effectively addresses communication challenges faced by small cap companies, enabling improved messaging and investor engagement despite limited resources. ACCESS TO INFORMATION Magma’s dedicated hub with landing pages, videos, photos, and up-to-date information is available at: https://agoracom. com/ir/MagmaSilverCorp The discussion forum can also be accessed via the same link. SHARES-FOR-SERVICES COMPENSATION Total fees amount to CAD 125, 000 plus HST, paid entirely in shares valued at CAD 25, 000 each in five installments over the 12-month period: at commencement, and at the end of months 3, 6, 9, and 12 (Aug 28, 2026).

The share price will be determined based on closing prices on the TSX Venture Exchange on each payment date. While pre-cleared with TSXV, final issuance is subject to TSXV acceptance. ABOUT MAGMA SILVER CORP. Magma Silver is focused on exploring and developing precious metal mining projects, primarily the advanced Niñobamba silver-gold project in Peru—a mining-friendly jurisdiction. Niñobamba covers an 8 km mineralized corridor within a prolific high-sulphidation epithermal belt, with over C$14. 5 million invested by major companies like Newmont, AngloGold Ashanti, and Bear Creek. Magma applies modern geological modeling and strategic plans to advance the project, benefiting from excellent infrastructure, strong local community relations, and a regional technical team with over 30 years’ experience. Visit www. magmasilver. com for more information. FORWARD-LOOKING STATEMENTS This release contains forward-looking information subject to risks and uncertainties as detailed in Magma’s filings with Canadian securities regulators. Actual results may differ materially, and no assurance is given that expectations will be met. Readers are cautioned not to place undue reliance on these statements. Magma disclaims any obligation to update forward-looking information except as required by law. Neither TSX Venture Exchange nor its Regulation Services Provider accepts responsibility for the adequacy or accuracy of this release. Source: https://www. newsfilecorp. com/release/264224